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20#include "qemu/osdep.h"
21#include "hw/pci/pci.h"
22#include "hw/qdev-properties.h"
23#include "hw/pci/msi.h"
24#include "qemu/timer.h"
25#include "qemu/bitops.h"
26#include "qemu/log.h"
27#include "qemu/module.h"
28#include "qemu/error-report.h"
29#include "hw/audio/soundhw.h"
30#include "intel-hda.h"
31#include "migration/vmstate.h"
32#include "intel-hda-defs.h"
33#include "sysemu/dma.h"
34#include "qapi/error.h"
35#include "qom/object.h"
36
37
38
39
40static Property hda_props[] = {
41 DEFINE_PROP_UINT32("cad", HDACodecDevice, cad, -1),
42 DEFINE_PROP_END_OF_LIST()
43};
44
45static const TypeInfo hda_codec_bus_info = {
46 .name = TYPE_HDA_BUS,
47 .parent = TYPE_BUS,
48 .instance_size = sizeof(HDACodecBus),
49};
50
51void hda_codec_bus_init(DeviceState *dev, HDACodecBus *bus, size_t bus_size,
52 hda_codec_response_func response,
53 hda_codec_xfer_func xfer)
54{
55 qbus_init(bus, bus_size, TYPE_HDA_BUS, dev, NULL);
56 bus->response = response;
57 bus->xfer = xfer;
58}
59
60static void hda_codec_dev_realize(DeviceState *qdev, Error **errp)
61{
62 HDACodecBus *bus = HDA_BUS(qdev->parent_bus);
63 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
64 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
65
66 if (dev->cad == -1) {
67 dev->cad = bus->next_cad;
68 }
69 if (dev->cad >= 15) {
70 error_setg(errp, "HDA audio codec address is full");
71 return;
72 }
73 bus->next_cad = dev->cad + 1;
74 if (cdc->init(dev) != 0) {
75 error_setg(errp, "HDA audio init failed");
76 }
77}
78
79static void hda_codec_dev_unrealize(DeviceState *qdev)
80{
81 HDACodecDevice *dev = HDA_CODEC_DEVICE(qdev);
82 HDACodecDeviceClass *cdc = HDA_CODEC_DEVICE_GET_CLASS(dev);
83
84 if (cdc->exit) {
85 cdc->exit(dev);
86 }
87}
88
89HDACodecDevice *hda_codec_find(HDACodecBus *bus, uint32_t cad)
90{
91 BusChild *kid;
92 HDACodecDevice *cdev;
93
94 QTAILQ_FOREACH(kid, &bus->qbus.children, sibling) {
95 DeviceState *qdev = kid->child;
96 cdev = HDA_CODEC_DEVICE(qdev);
97 if (cdev->cad == cad) {
98 return cdev;
99 }
100 }
101 return NULL;
102}
103
104void hda_codec_response(HDACodecDevice *dev, bool solicited, uint32_t response)
105{
106 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
107 bus->response(dev, solicited, response);
108}
109
110bool hda_codec_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
111 uint8_t *buf, uint32_t len)
112{
113 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
114 return bus->xfer(dev, stnr, output, buf, len);
115}
116
117
118
119
120typedef struct IntelHDAStream IntelHDAStream;
121typedef struct IntelHDAState IntelHDAState;
122typedef struct IntelHDAReg IntelHDAReg;
123
124typedef struct bpl {
125 uint64_t addr;
126 uint32_t len;
127 uint32_t flags;
128} bpl;
129
130struct IntelHDAStream {
131
132 uint32_t ctl;
133 uint32_t lpib;
134 uint32_t cbl;
135 uint32_t lvi;
136 uint32_t fmt;
137 uint32_t bdlp_lbase;
138 uint32_t bdlp_ubase;
139
140
141 bpl *bpl;
142 uint32_t bentries;
143 uint32_t bsize, be, bp;
144};
145
146struct IntelHDAState {
147 PCIDevice pci;
148 const char *name;
149 HDACodecBus codecs;
150
151
152 uint32_t g_ctl;
153 uint32_t wake_en;
154 uint32_t state_sts;
155 uint32_t int_ctl;
156 uint32_t int_sts;
157 uint32_t wall_clk;
158
159 uint32_t corb_lbase;
160 uint32_t corb_ubase;
161 uint32_t corb_rp;
162 uint32_t corb_wp;
163 uint32_t corb_ctl;
164 uint32_t corb_sts;
165 uint32_t corb_size;
166
167 uint32_t rirb_lbase;
168 uint32_t rirb_ubase;
169 uint32_t rirb_wp;
170 uint32_t rirb_cnt;
171 uint32_t rirb_ctl;
172 uint32_t rirb_sts;
173 uint32_t rirb_size;
174
175 uint32_t dp_lbase;
176 uint32_t dp_ubase;
177
178 uint32_t icw;
179 uint32_t irr;
180 uint32_t ics;
181
182
183 IntelHDAStream st[8];
184
185
186 MemoryRegion container;
187 MemoryRegion mmio;
188 MemoryRegion alias;
189 uint32_t rirb_count;
190 int64_t wall_base_ns;
191
192
193 const IntelHDAReg *last_reg;
194 uint32_t last_val;
195 uint32_t last_write;
196 uint32_t last_sec;
197 uint32_t repeat_count;
198
199
200 uint32_t debug;
201 OnOffAuto msi;
202 bool old_msi_addr;
203};
204
205#define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
206
207DECLARE_INSTANCE_CHECKER(IntelHDAState, INTEL_HDA,
208 TYPE_INTEL_HDA_GENERIC)
209
210struct IntelHDAReg {
211 const char *name;
212 uint32_t size;
213 uint32_t reset;
214 uint32_t wmask;
215 uint32_t wclear;
216 uint32_t offset;
217 uint32_t shift;
218 uint32_t stream;
219 void (*whandler)(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old);
220 void (*rhandler)(IntelHDAState *d, const IntelHDAReg *reg);
221};
222
223static void intel_hda_reset(DeviceState *dev);
224
225
226
227static hwaddr intel_hda_addr(uint32_t lbase, uint32_t ubase)
228{
229 return ((uint64_t)ubase << 32) | lbase;
230}
231
232static void intel_hda_update_int_sts(IntelHDAState *d)
233{
234 uint32_t sts = 0;
235 uint32_t i;
236
237
238 if (d->rirb_sts & ICH6_RBSTS_IRQ) {
239 sts |= (1 << 30);
240 }
241 if (d->rirb_sts & ICH6_RBSTS_OVERRUN) {
242 sts |= (1 << 30);
243 }
244 if (d->state_sts & d->wake_en) {
245 sts |= (1 << 30);
246 }
247
248
249 for (i = 0; i < 8; i++) {
250
251 if (d->st[i].ctl & (1 << 26)) {
252 sts |= (1 << i);
253 }
254 }
255
256
257 if (sts & d->int_ctl) {
258 sts |= (1U << 31);
259 }
260
261 d->int_sts = sts;
262}
263
264static void intel_hda_update_irq(IntelHDAState *d)
265{
266 bool msi = msi_enabled(&d->pci);
267 int level;
268
269 intel_hda_update_int_sts(d);
270 if (d->int_sts & (1U << 31) && d->int_ctl & (1U << 31)) {
271 level = 1;
272 } else {
273 level = 0;
274 }
275 dprint(d, 2, "%s: level %d [%s]\n", __func__,
276 level, msi ? "msi" : "intx");
277 if (msi) {
278 if (level) {
279 msi_notify(&d->pci, 0);
280 }
281 } else {
282 pci_set_irq(&d->pci, level);
283 }
284}
285
286static int intel_hda_send_command(IntelHDAState *d, uint32_t verb)
287{
288 uint32_t cad, nid, data;
289 HDACodecDevice *codec;
290 HDACodecDeviceClass *cdc;
291
292 cad = (verb >> 28) & 0x0f;
293 if (verb & (1 << 27)) {
294
295 dprint(d, 1, "%s: indirect node addressing (guest bug?)\n", __func__);
296 return -1;
297 }
298 nid = (verb >> 20) & 0x7f;
299 data = verb & 0xfffff;
300
301 codec = hda_codec_find(&d->codecs, cad);
302 if (codec == NULL) {
303 dprint(d, 1, "%s: addressed non-existing codec\n", __func__);
304 return -1;
305 }
306 cdc = HDA_CODEC_DEVICE_GET_CLASS(codec);
307 cdc->command(codec, nid, data);
308 return 0;
309}
310
311static void intel_hda_corb_run(IntelHDAState *d)
312{
313 hwaddr addr;
314 uint32_t rp, verb;
315
316 if (d->ics & ICH6_IRS_BUSY) {
317 dprint(d, 2, "%s: [icw] verb 0x%08x\n", __func__, d->icw);
318 intel_hda_send_command(d, d->icw);
319 return;
320 }
321
322 for (;;) {
323 if (!(d->corb_ctl & ICH6_CORBCTL_RUN)) {
324 dprint(d, 2, "%s: !run\n", __func__);
325 return;
326 }
327 if ((d->corb_rp & 0xff) == d->corb_wp) {
328 dprint(d, 2, "%s: corb ring empty\n", __func__);
329 return;
330 }
331 if (d->rirb_count == d->rirb_cnt) {
332 dprint(d, 2, "%s: rirb count reached\n", __func__);
333 return;
334 }
335
336 rp = (d->corb_rp + 1) & 0xff;
337 addr = intel_hda_addr(d->corb_lbase, d->corb_ubase);
338 verb = ldl_le_pci_dma(&d->pci, addr + 4*rp);
339 d->corb_rp = rp;
340
341 dprint(d, 2, "%s: [rp 0x%x] verb 0x%08x\n", __func__, rp, verb);
342 intel_hda_send_command(d, verb);
343 }
344}
345
346static void intel_hda_response(HDACodecDevice *dev, bool solicited, uint32_t response)
347{
348 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
349 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
350 hwaddr addr;
351 uint32_t wp, ex;
352
353 if (d->ics & ICH6_IRS_BUSY) {
354 dprint(d, 2, "%s: [irr] response 0x%x, cad 0x%x\n",
355 __func__, response, dev->cad);
356 d->irr = response;
357 d->ics &= ~(ICH6_IRS_BUSY | 0xf0);
358 d->ics |= (ICH6_IRS_VALID | (dev->cad << 4));
359 return;
360 }
361
362 if (!(d->rirb_ctl & ICH6_RBCTL_DMA_EN)) {
363 dprint(d, 1, "%s: rirb dma disabled, drop codec response\n", __func__);
364 return;
365 }
366
367 ex = (solicited ? 0 : (1 << 4)) | dev->cad;
368 wp = (d->rirb_wp + 1) & 0xff;
369 addr = intel_hda_addr(d->rirb_lbase, d->rirb_ubase);
370 stl_le_pci_dma(&d->pci, addr + 8*wp, response);
371 stl_le_pci_dma(&d->pci, addr + 8*wp + 4, ex);
372 d->rirb_wp = wp;
373
374 dprint(d, 2, "%s: [wp 0x%x] response 0x%x, extra 0x%x\n",
375 __func__, wp, response, ex);
376
377 d->rirb_count++;
378 if (d->rirb_count == d->rirb_cnt) {
379 dprint(d, 2, "%s: rirb count reached (%d)\n", __func__, d->rirb_count);
380 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
381 d->rirb_sts |= ICH6_RBSTS_IRQ;
382 intel_hda_update_irq(d);
383 }
384 } else if ((d->corb_rp & 0xff) == d->corb_wp) {
385 dprint(d, 2, "%s: corb ring empty (%d/%d)\n", __func__,
386 d->rirb_count, d->rirb_cnt);
387 if (d->rirb_ctl & ICH6_RBCTL_IRQ_EN) {
388 d->rirb_sts |= ICH6_RBSTS_IRQ;
389 intel_hda_update_irq(d);
390 }
391 }
392}
393
394static bool intel_hda_xfer(HDACodecDevice *dev, uint32_t stnr, bool output,
395 uint8_t *buf, uint32_t len)
396{
397 HDACodecBus *bus = HDA_BUS(dev->qdev.parent_bus);
398 IntelHDAState *d = container_of(bus, IntelHDAState, codecs);
399 hwaddr addr;
400 uint32_t s, copy, left;
401 IntelHDAStream *st;
402 bool irq = false;
403
404 st = output ? d->st + 4 : d->st;
405 for (s = 0; s < 4; s++) {
406 if (stnr == ((st[s].ctl >> 20) & 0x0f)) {
407 st = st + s;
408 break;
409 }
410 }
411 if (s == 4) {
412 return false;
413 }
414 if (st->bpl == NULL) {
415 return false;
416 }
417
418 left = len;
419 s = st->bentries;
420 while (left > 0 && s-- > 0) {
421 copy = left;
422 if (copy > st->bsize - st->lpib)
423 copy = st->bsize - st->lpib;
424 if (copy > st->bpl[st->be].len - st->bp)
425 copy = st->bpl[st->be].len - st->bp;
426
427 dprint(d, 3, "dma: entry %d, pos %d/%d, copy %d\n",
428 st->be, st->bp, st->bpl[st->be].len, copy);
429
430 pci_dma_rw(&d->pci, st->bpl[st->be].addr + st->bp, buf, copy, !output);
431 st->lpib += copy;
432 st->bp += copy;
433 buf += copy;
434 left -= copy;
435
436 if (st->bpl[st->be].len == st->bp) {
437
438 if (st->bpl[st->be].flags & 0x01) {
439 irq = true;
440 }
441 st->bp = 0;
442 st->be++;
443 if (st->be == st->bentries) {
444
445 st->be = 0;
446 st->lpib = 0;
447 }
448 }
449 }
450 if (d->dp_lbase & 0x01) {
451 s = st - d->st;
452 addr = intel_hda_addr(d->dp_lbase & ~0x01, d->dp_ubase);
453 stl_le_pci_dma(&d->pci, addr + 8*s, st->lpib);
454 }
455 dprint(d, 3, "dma: --\n");
456
457 if (irq) {
458 st->ctl |= (1 << 26);
459 intel_hda_update_irq(d);
460 }
461 return true;
462}
463
464static void intel_hda_parse_bdl(IntelHDAState *d, IntelHDAStream *st)
465{
466 hwaddr addr;
467 uint8_t buf[16];
468 uint32_t i;
469
470 addr = intel_hda_addr(st->bdlp_lbase, st->bdlp_ubase);
471 st->bentries = st->lvi +1;
472 g_free(st->bpl);
473 st->bpl = g_malloc(sizeof(bpl) * st->bentries);
474 for (i = 0; i < st->bentries; i++, addr += 16) {
475 pci_dma_read(&d->pci, addr, buf, 16);
476 st->bpl[i].addr = le64_to_cpu(*(uint64_t *)buf);
477 st->bpl[i].len = le32_to_cpu(*(uint32_t *)(buf + 8));
478 st->bpl[i].flags = le32_to_cpu(*(uint32_t *)(buf + 12));
479 dprint(d, 1, "bdl/%d: 0x%" PRIx64 " +0x%x, 0x%x\n",
480 i, st->bpl[i].addr, st->bpl[i].len, st->bpl[i].flags);
481 }
482
483 st->bsize = st->cbl;
484 st->lpib = 0;
485 st->be = 0;
486 st->bp = 0;
487}
488
489static void intel_hda_notify_codecs(IntelHDAState *d, uint32_t stream, bool running, bool output)
490{
491 BusChild *kid;
492 HDACodecDevice *cdev;
493
494 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
495 DeviceState *qdev = kid->child;
496 HDACodecDeviceClass *cdc;
497
498 cdev = HDA_CODEC_DEVICE(qdev);
499 cdc = HDA_CODEC_DEVICE_GET_CLASS(cdev);
500 if (cdc->stream) {
501 cdc->stream(cdev, stream, running, output);
502 }
503 }
504}
505
506
507
508static void intel_hda_set_g_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
509{
510 if ((d->g_ctl & ICH6_GCTL_RESET) == 0) {
511 intel_hda_reset(DEVICE(d));
512 }
513}
514
515static void intel_hda_set_wake_en(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
516{
517 intel_hda_update_irq(d);
518}
519
520static void intel_hda_set_state_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
521{
522 intel_hda_update_irq(d);
523}
524
525static void intel_hda_set_int_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
526{
527 intel_hda_update_irq(d);
528}
529
530static void intel_hda_get_wall_clk(IntelHDAState *d, const IntelHDAReg *reg)
531{
532 int64_t ns;
533
534 ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - d->wall_base_ns;
535 d->wall_clk = (uint32_t)(ns * 24 / 1000);
536}
537
538static void intel_hda_set_corb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
539{
540 intel_hda_corb_run(d);
541}
542
543static void intel_hda_set_corb_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
544{
545 intel_hda_corb_run(d);
546}
547
548static void intel_hda_set_rirb_wp(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
549{
550 if (d->rirb_wp & ICH6_RIRBWP_RST) {
551 d->rirb_wp = 0;
552 }
553}
554
555static void intel_hda_set_rirb_sts(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
556{
557 intel_hda_update_irq(d);
558
559 if ((old & ICH6_RBSTS_IRQ) && !(d->rirb_sts & ICH6_RBSTS_IRQ)) {
560
561 d->rirb_count = 0;
562 intel_hda_corb_run(d);
563 }
564}
565
566static void intel_hda_set_ics(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
567{
568 if (d->ics & ICH6_IRS_BUSY) {
569 intel_hda_corb_run(d);
570 }
571}
572
573static void intel_hda_set_st_ctl(IntelHDAState *d, const IntelHDAReg *reg, uint32_t old)
574{
575 bool output = reg->stream >= 4;
576 IntelHDAStream *st = d->st + reg->stream;
577
578 if (st->ctl & 0x01) {
579
580 dprint(d, 1, "st #%d: reset\n", reg->stream);
581 st->ctl = SD_STS_FIFO_READY << 24;
582 }
583 if ((st->ctl & 0x02) != (old & 0x02)) {
584 uint32_t stnr = (st->ctl >> 20) & 0x0f;
585
586 if (st->ctl & 0x02) {
587
588 dprint(d, 1, "st #%d: start %d (ring buf %d bytes)\n",
589 reg->stream, stnr, st->cbl);
590 intel_hda_parse_bdl(d, st);
591 intel_hda_notify_codecs(d, stnr, true, output);
592 } else {
593
594 dprint(d, 1, "st #%d: stop %d\n", reg->stream, stnr);
595 intel_hda_notify_codecs(d, stnr, false, output);
596 }
597 }
598 intel_hda_update_irq(d);
599}
600
601
602
603#define ST_REG(_n, _o) (0x80 + (_n) * 0x20 + (_o))
604
605static const struct IntelHDAReg regtab[] = {
606
607 [ ICH6_REG_GCAP ] = {
608 .name = "GCAP",
609 .size = 2,
610 .reset = 0x4401,
611 },
612 [ ICH6_REG_VMIN ] = {
613 .name = "VMIN",
614 .size = 1,
615 },
616 [ ICH6_REG_VMAJ ] = {
617 .name = "VMAJ",
618 .size = 1,
619 .reset = 1,
620 },
621 [ ICH6_REG_OUTPAY ] = {
622 .name = "OUTPAY",
623 .size = 2,
624 .reset = 0x3c,
625 },
626 [ ICH6_REG_INPAY ] = {
627 .name = "INPAY",
628 .size = 2,
629 .reset = 0x1d,
630 },
631 [ ICH6_REG_GCTL ] = {
632 .name = "GCTL",
633 .size = 4,
634 .wmask = 0x0103,
635 .offset = offsetof(IntelHDAState, g_ctl),
636 .whandler = intel_hda_set_g_ctl,
637 },
638 [ ICH6_REG_WAKEEN ] = {
639 .name = "WAKEEN",
640 .size = 2,
641 .wmask = 0x7fff,
642 .offset = offsetof(IntelHDAState, wake_en),
643 .whandler = intel_hda_set_wake_en,
644 },
645 [ ICH6_REG_STATESTS ] = {
646 .name = "STATESTS",
647 .size = 2,
648 .wmask = 0x7fff,
649 .wclear = 0x7fff,
650 .offset = offsetof(IntelHDAState, state_sts),
651 .whandler = intel_hda_set_state_sts,
652 },
653
654
655 [ ICH6_REG_INTCTL ] = {
656 .name = "INTCTL",
657 .size = 4,
658 .wmask = 0xc00000ff,
659 .offset = offsetof(IntelHDAState, int_ctl),
660 .whandler = intel_hda_set_int_ctl,
661 },
662 [ ICH6_REG_INTSTS ] = {
663 .name = "INTSTS",
664 .size = 4,
665 .wmask = 0xc00000ff,
666 .wclear = 0xc00000ff,
667 .offset = offsetof(IntelHDAState, int_sts),
668 },
669
670
671 [ ICH6_REG_WALLCLK ] = {
672 .name = "WALLCLK",
673 .size = 4,
674 .offset = offsetof(IntelHDAState, wall_clk),
675 .rhandler = intel_hda_get_wall_clk,
676 },
677
678
679 [ ICH6_REG_CORBLBASE ] = {
680 .name = "CORBLBASE",
681 .size = 4,
682 .wmask = 0xffffff80,
683 .offset = offsetof(IntelHDAState, corb_lbase),
684 },
685 [ ICH6_REG_CORBUBASE ] = {
686 .name = "CORBUBASE",
687 .size = 4,
688 .wmask = 0xffffffff,
689 .offset = offsetof(IntelHDAState, corb_ubase),
690 },
691 [ ICH6_REG_CORBWP ] = {
692 .name = "CORBWP",
693 .size = 2,
694 .wmask = 0xff,
695 .offset = offsetof(IntelHDAState, corb_wp),
696 .whandler = intel_hda_set_corb_wp,
697 },
698 [ ICH6_REG_CORBRP ] = {
699 .name = "CORBRP",
700 .size = 2,
701 .wmask = 0x80ff,
702 .offset = offsetof(IntelHDAState, corb_rp),
703 },
704 [ ICH6_REG_CORBCTL ] = {
705 .name = "CORBCTL",
706 .size = 1,
707 .wmask = 0x03,
708 .offset = offsetof(IntelHDAState, corb_ctl),
709 .whandler = intel_hda_set_corb_ctl,
710 },
711 [ ICH6_REG_CORBSTS ] = {
712 .name = "CORBSTS",
713 .size = 1,
714 .wmask = 0x01,
715 .wclear = 0x01,
716 .offset = offsetof(IntelHDAState, corb_sts),
717 },
718 [ ICH6_REG_CORBSIZE ] = {
719 .name = "CORBSIZE",
720 .size = 1,
721 .reset = 0x42,
722 .offset = offsetof(IntelHDAState, corb_size),
723 },
724 [ ICH6_REG_RIRBLBASE ] = {
725 .name = "RIRBLBASE",
726 .size = 4,
727 .wmask = 0xffffff80,
728 .offset = offsetof(IntelHDAState, rirb_lbase),
729 },
730 [ ICH6_REG_RIRBUBASE ] = {
731 .name = "RIRBUBASE",
732 .size = 4,
733 .wmask = 0xffffffff,
734 .offset = offsetof(IntelHDAState, rirb_ubase),
735 },
736 [ ICH6_REG_RIRBWP ] = {
737 .name = "RIRBWP",
738 .size = 2,
739 .wmask = 0x8000,
740 .offset = offsetof(IntelHDAState, rirb_wp),
741 .whandler = intel_hda_set_rirb_wp,
742 },
743 [ ICH6_REG_RINTCNT ] = {
744 .name = "RINTCNT",
745 .size = 2,
746 .wmask = 0xff,
747 .offset = offsetof(IntelHDAState, rirb_cnt),
748 },
749 [ ICH6_REG_RIRBCTL ] = {
750 .name = "RIRBCTL",
751 .size = 1,
752 .wmask = 0x07,
753 .offset = offsetof(IntelHDAState, rirb_ctl),
754 },
755 [ ICH6_REG_RIRBSTS ] = {
756 .name = "RIRBSTS",
757 .size = 1,
758 .wmask = 0x05,
759 .wclear = 0x05,
760 .offset = offsetof(IntelHDAState, rirb_sts),
761 .whandler = intel_hda_set_rirb_sts,
762 },
763 [ ICH6_REG_RIRBSIZE ] = {
764 .name = "RIRBSIZE",
765 .size = 1,
766 .reset = 0x42,
767 .offset = offsetof(IntelHDAState, rirb_size),
768 },
769
770 [ ICH6_REG_DPLBASE ] = {
771 .name = "DPLBASE",
772 .size = 4,
773 .wmask = 0xffffff81,
774 .offset = offsetof(IntelHDAState, dp_lbase),
775 },
776 [ ICH6_REG_DPUBASE ] = {
777 .name = "DPUBASE",
778 .size = 4,
779 .wmask = 0xffffffff,
780 .offset = offsetof(IntelHDAState, dp_ubase),
781 },
782
783 [ ICH6_REG_IC ] = {
784 .name = "ICW",
785 .size = 4,
786 .wmask = 0xffffffff,
787 .offset = offsetof(IntelHDAState, icw),
788 },
789 [ ICH6_REG_IR ] = {
790 .name = "IRR",
791 .size = 4,
792 .offset = offsetof(IntelHDAState, irr),
793 },
794 [ ICH6_REG_IRS ] = {
795 .name = "ICS",
796 .size = 2,
797 .wmask = 0x0003,
798 .wclear = 0x0002,
799 .offset = offsetof(IntelHDAState, ics),
800 .whandler = intel_hda_set_ics,
801 },
802
803#define HDA_STREAM(_t, _i) \
804 [ ST_REG(_i, ICH6_REG_SD_CTL) ] = { \
805 .stream = _i, \
806 .name = _t stringify(_i) " CTL", \
807 .size = 4, \
808 .wmask = 0x1cff001f, \
809 .offset = offsetof(IntelHDAState, st[_i].ctl), \
810 .whandler = intel_hda_set_st_ctl, \
811 }, \
812 [ ST_REG(_i, ICH6_REG_SD_CTL) + 2] = { \
813 .stream = _i, \
814 .name = _t stringify(_i) " CTL(stnr)", \
815 .size = 1, \
816 .shift = 16, \
817 .wmask = 0x00ff0000, \
818 .offset = offsetof(IntelHDAState, st[_i].ctl), \
819 .whandler = intel_hda_set_st_ctl, \
820 }, \
821 [ ST_REG(_i, ICH6_REG_SD_STS)] = { \
822 .stream = _i, \
823 .name = _t stringify(_i) " CTL(sts)", \
824 .size = 1, \
825 .shift = 24, \
826 .wmask = 0x1c000000, \
827 .wclear = 0x1c000000, \
828 .offset = offsetof(IntelHDAState, st[_i].ctl), \
829 .whandler = intel_hda_set_st_ctl, \
830 .reset = SD_STS_FIFO_READY << 24 \
831 }, \
832 [ ST_REG(_i, ICH6_REG_SD_LPIB) ] = { \
833 .stream = _i, \
834 .name = _t stringify(_i) " LPIB", \
835 .size = 4, \
836 .offset = offsetof(IntelHDAState, st[_i].lpib), \
837 }, \
838 [ ST_REG(_i, ICH6_REG_SD_CBL) ] = { \
839 .stream = _i, \
840 .name = _t stringify(_i) " CBL", \
841 .size = 4, \
842 .wmask = 0xffffffff, \
843 .offset = offsetof(IntelHDAState, st[_i].cbl), \
844 }, \
845 [ ST_REG(_i, ICH6_REG_SD_LVI) ] = { \
846 .stream = _i, \
847 .name = _t stringify(_i) " LVI", \
848 .size = 2, \
849 .wmask = 0x00ff, \
850 .offset = offsetof(IntelHDAState, st[_i].lvi), \
851 }, \
852 [ ST_REG(_i, ICH6_REG_SD_FIFOSIZE) ] = { \
853 .stream = _i, \
854 .name = _t stringify(_i) " FIFOS", \
855 .size = 2, \
856 .reset = HDA_BUFFER_SIZE, \
857 }, \
858 [ ST_REG(_i, ICH6_REG_SD_FORMAT) ] = { \
859 .stream = _i, \
860 .name = _t stringify(_i) " FMT", \
861 .size = 2, \
862 .wmask = 0x7f7f, \
863 .offset = offsetof(IntelHDAState, st[_i].fmt), \
864 }, \
865 [ ST_REG(_i, ICH6_REG_SD_BDLPL) ] = { \
866 .stream = _i, \
867 .name = _t stringify(_i) " BDLPL", \
868 .size = 4, \
869 .wmask = 0xffffff80, \
870 .offset = offsetof(IntelHDAState, st[_i].bdlp_lbase), \
871 }, \
872 [ ST_REG(_i, ICH6_REG_SD_BDLPU) ] = { \
873 .stream = _i, \
874 .name = _t stringify(_i) " BDLPU", \
875 .size = 4, \
876 .wmask = 0xffffffff, \
877 .offset = offsetof(IntelHDAState, st[_i].bdlp_ubase), \
878 }, \
879
880 HDA_STREAM("IN", 0)
881 HDA_STREAM("IN", 1)
882 HDA_STREAM("IN", 2)
883 HDA_STREAM("IN", 3)
884
885 HDA_STREAM("OUT", 4)
886 HDA_STREAM("OUT", 5)
887 HDA_STREAM("OUT", 6)
888 HDA_STREAM("OUT", 7)
889
890};
891
892static const IntelHDAReg *intel_hda_reg_find(IntelHDAState *d, hwaddr addr)
893{
894 const IntelHDAReg *reg;
895
896 if (addr >= ARRAY_SIZE(regtab)) {
897 goto noreg;
898 }
899 reg = regtab+addr;
900 if (reg->name == NULL) {
901 goto noreg;
902 }
903 return reg;
904
905noreg:
906 dprint(d, 1, "unknown register, addr 0x%x\n", (int) addr);
907 return NULL;
908}
909
910static uint32_t *intel_hda_reg_addr(IntelHDAState *d, const IntelHDAReg *reg)
911{
912 uint8_t *addr = (void*)d;
913
914 addr += reg->offset;
915 return (uint32_t*)addr;
916}
917
918static void intel_hda_reg_write(IntelHDAState *d, const IntelHDAReg *reg, uint32_t val,
919 uint32_t wmask)
920{
921 uint32_t *addr;
922 uint32_t old;
923
924 if (!reg) {
925 return;
926 }
927 if (!reg->wmask) {
928 qemu_log_mask(LOG_GUEST_ERROR, "intel-hda: write to r/o reg %s\n",
929 reg->name);
930 return;
931 }
932
933 if (d->debug) {
934 time_t now = time(NULL);
935 if (d->last_write && d->last_reg == reg && d->last_val == val) {
936 d->repeat_count++;
937 if (d->last_sec != now) {
938 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
939 d->last_sec = now;
940 d->repeat_count = 0;
941 }
942 } else {
943 if (d->repeat_count) {
944 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
945 }
946 dprint(d, 2, "write %-16s: 0x%x (%x)\n", reg->name, val, wmask);
947 d->last_write = 1;
948 d->last_reg = reg;
949 d->last_val = val;
950 d->last_sec = now;
951 d->repeat_count = 0;
952 }
953 }
954 assert(reg->offset != 0);
955
956 addr = intel_hda_reg_addr(d, reg);
957 old = *addr;
958
959 if (reg->shift) {
960 val <<= reg->shift;
961 wmask <<= reg->shift;
962 }
963 wmask &= reg->wmask;
964 *addr &= ~wmask;
965 *addr |= wmask & val;
966 *addr &= ~(val & reg->wclear);
967
968 if (reg->whandler) {
969 reg->whandler(d, reg, old);
970 }
971}
972
973static uint32_t intel_hda_reg_read(IntelHDAState *d, const IntelHDAReg *reg,
974 uint32_t rmask)
975{
976 uint32_t *addr, ret;
977
978 if (!reg) {
979 return 0;
980 }
981
982 if (reg->rhandler) {
983 reg->rhandler(d, reg);
984 }
985
986 if (reg->offset == 0) {
987
988 ret = reg->reset;
989 } else {
990 addr = intel_hda_reg_addr(d, reg);
991 ret = *addr;
992 if (reg->shift) {
993 ret >>= reg->shift;
994 }
995 ret &= rmask;
996 }
997 if (d->debug) {
998 time_t now = time(NULL);
999 if (!d->last_write && d->last_reg == reg && d->last_val == ret) {
1000 d->repeat_count++;
1001 if (d->last_sec != now) {
1002 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1003 d->last_sec = now;
1004 d->repeat_count = 0;
1005 }
1006 } else {
1007 if (d->repeat_count) {
1008 dprint(d, 2, "previous register op repeated %d times\n", d->repeat_count);
1009 }
1010 dprint(d, 2, "read %-16s: 0x%x (%x)\n", reg->name, ret, rmask);
1011 d->last_write = 0;
1012 d->last_reg = reg;
1013 d->last_val = ret;
1014 d->last_sec = now;
1015 d->repeat_count = 0;
1016 }
1017 }
1018 return ret;
1019}
1020
1021static void intel_hda_regs_reset(IntelHDAState *d)
1022{
1023 uint32_t *addr;
1024 int i;
1025
1026 for (i = 0; i < ARRAY_SIZE(regtab); i++) {
1027 if (regtab[i].name == NULL) {
1028 continue;
1029 }
1030 if (regtab[i].offset == 0) {
1031 continue;
1032 }
1033 addr = intel_hda_reg_addr(d, regtab + i);
1034 *addr = regtab[i].reset;
1035 }
1036}
1037
1038
1039
1040static void intel_hda_mmio_write(void *opaque, hwaddr addr, uint64_t val,
1041 unsigned size)
1042{
1043 IntelHDAState *d = opaque;
1044 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1045
1046 intel_hda_reg_write(d, reg, val, MAKE_64BIT_MASK(0, size * 8));
1047}
1048
1049static uint64_t intel_hda_mmio_read(void *opaque, hwaddr addr, unsigned size)
1050{
1051 IntelHDAState *d = opaque;
1052 const IntelHDAReg *reg = intel_hda_reg_find(d, addr);
1053
1054 return intel_hda_reg_read(d, reg, MAKE_64BIT_MASK(0, size * 8));
1055}
1056
1057static const MemoryRegionOps intel_hda_mmio_ops = {
1058 .read = intel_hda_mmio_read,
1059 .write = intel_hda_mmio_write,
1060 .impl = {
1061 .min_access_size = 1,
1062 .max_access_size = 4,
1063 },
1064 .endianness = DEVICE_NATIVE_ENDIAN,
1065};
1066
1067
1068
1069static void intel_hda_reset(DeviceState *dev)
1070{
1071 BusChild *kid;
1072 IntelHDAState *d = INTEL_HDA(dev);
1073 HDACodecDevice *cdev;
1074
1075 intel_hda_regs_reset(d);
1076 d->wall_base_ns = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
1077
1078
1079 QTAILQ_FOREACH(kid, &d->codecs.qbus.children, sibling) {
1080 DeviceState *qdev = kid->child;
1081 cdev = HDA_CODEC_DEVICE(qdev);
1082 device_legacy_reset(DEVICE(cdev));
1083 d->state_sts |= (1 << cdev->cad);
1084 }
1085 intel_hda_update_irq(d);
1086}
1087
1088static void intel_hda_realize(PCIDevice *pci, Error **errp)
1089{
1090 IntelHDAState *d = INTEL_HDA(pci);
1091 uint8_t *conf = d->pci.config;
1092 Error *err = NULL;
1093 int ret;
1094
1095 d->name = object_get_typename(OBJECT(d));
1096
1097 pci_config_set_interrupt_pin(conf, 1);
1098
1099
1100 conf[0x40] = 0x01;
1101
1102 if (d->msi != ON_OFF_AUTO_OFF) {
1103 ret = msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60,
1104 1, true, false, &err);
1105
1106
1107 assert(!ret || ret == -ENOTSUP);
1108 if (ret && d->msi == ON_OFF_AUTO_ON) {
1109
1110 error_append_hint(&err, "You have to use msi=auto (default) or "
1111 "msi=off with this machine type.\n");
1112 error_propagate(errp, err);
1113 return;
1114 }
1115 assert(!err || d->msi == ON_OFF_AUTO_AUTO);
1116
1117 error_free(err);
1118 }
1119
1120 memory_region_init(&d->container, OBJECT(d),
1121 "intel-hda-container", 0x4000);
1122 memory_region_init_io(&d->mmio, OBJECT(d), &intel_hda_mmio_ops, d,
1123 "intel-hda", 0x2000);
1124 memory_region_add_subregion(&d->container, 0x0000, &d->mmio);
1125 memory_region_init_alias(&d->alias, OBJECT(d), "intel-hda-alias",
1126 &d->mmio, 0, 0x2000);
1127 memory_region_add_subregion(&d->container, 0x2000, &d->alias);
1128 pci_register_bar(&d->pci, 0, 0, &d->container);
1129
1130 hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
1131 intel_hda_response, intel_hda_xfer);
1132}
1133
1134static void intel_hda_exit(PCIDevice *pci)
1135{
1136 IntelHDAState *d = INTEL_HDA(pci);
1137
1138 msi_uninit(&d->pci);
1139}
1140
1141static int intel_hda_post_load(void *opaque, int version)
1142{
1143 IntelHDAState* d = opaque;
1144 int i;
1145
1146 dprint(d, 1, "%s\n", __func__);
1147 for (i = 0; i < ARRAY_SIZE(d->st); i++) {
1148 if (d->st[i].ctl & 0x02) {
1149 intel_hda_parse_bdl(d, &d->st[i]);
1150 }
1151 }
1152 intel_hda_update_irq(d);
1153 return 0;
1154}
1155
1156static const VMStateDescription vmstate_intel_hda_stream = {
1157 .name = "intel-hda-stream",
1158 .version_id = 1,
1159 .fields = (VMStateField[]) {
1160 VMSTATE_UINT32(ctl, IntelHDAStream),
1161 VMSTATE_UINT32(lpib, IntelHDAStream),
1162 VMSTATE_UINT32(cbl, IntelHDAStream),
1163 VMSTATE_UINT32(lvi, IntelHDAStream),
1164 VMSTATE_UINT32(fmt, IntelHDAStream),
1165 VMSTATE_UINT32(bdlp_lbase, IntelHDAStream),
1166 VMSTATE_UINT32(bdlp_ubase, IntelHDAStream),
1167 VMSTATE_END_OF_LIST()
1168 }
1169};
1170
1171static const VMStateDescription vmstate_intel_hda = {
1172 .name = "intel-hda",
1173 .version_id = 1,
1174 .post_load = intel_hda_post_load,
1175 .fields = (VMStateField[]) {
1176 VMSTATE_PCI_DEVICE(pci, IntelHDAState),
1177
1178
1179 VMSTATE_UINT32(g_ctl, IntelHDAState),
1180 VMSTATE_UINT32(wake_en, IntelHDAState),
1181 VMSTATE_UINT32(state_sts, IntelHDAState),
1182 VMSTATE_UINT32(int_ctl, IntelHDAState),
1183 VMSTATE_UINT32(int_sts, IntelHDAState),
1184 VMSTATE_UINT32(wall_clk, IntelHDAState),
1185 VMSTATE_UINT32(corb_lbase, IntelHDAState),
1186 VMSTATE_UINT32(corb_ubase, IntelHDAState),
1187 VMSTATE_UINT32(corb_rp, IntelHDAState),
1188 VMSTATE_UINT32(corb_wp, IntelHDAState),
1189 VMSTATE_UINT32(corb_ctl, IntelHDAState),
1190 VMSTATE_UINT32(corb_sts, IntelHDAState),
1191 VMSTATE_UINT32(corb_size, IntelHDAState),
1192 VMSTATE_UINT32(rirb_lbase, IntelHDAState),
1193 VMSTATE_UINT32(rirb_ubase, IntelHDAState),
1194 VMSTATE_UINT32(rirb_wp, IntelHDAState),
1195 VMSTATE_UINT32(rirb_cnt, IntelHDAState),
1196 VMSTATE_UINT32(rirb_ctl, IntelHDAState),
1197 VMSTATE_UINT32(rirb_sts, IntelHDAState),
1198 VMSTATE_UINT32(rirb_size, IntelHDAState),
1199 VMSTATE_UINT32(dp_lbase, IntelHDAState),
1200 VMSTATE_UINT32(dp_ubase, IntelHDAState),
1201 VMSTATE_UINT32(icw, IntelHDAState),
1202 VMSTATE_UINT32(irr, IntelHDAState),
1203 VMSTATE_UINT32(ics, IntelHDAState),
1204 VMSTATE_STRUCT_ARRAY(st, IntelHDAState, 8, 0,
1205 vmstate_intel_hda_stream,
1206 IntelHDAStream),
1207
1208
1209 VMSTATE_UINT32(rirb_count, IntelHDAState),
1210 VMSTATE_INT64(wall_base_ns, IntelHDAState),
1211
1212 VMSTATE_END_OF_LIST()
1213 }
1214};
1215
1216static Property intel_hda_properties[] = {
1217 DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
1218 DEFINE_PROP_ON_OFF_AUTO("msi", IntelHDAState, msi, ON_OFF_AUTO_AUTO),
1219 DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
1220 DEFINE_PROP_END_OF_LIST(),
1221};
1222
1223static void intel_hda_class_init(ObjectClass *klass, void *data)
1224{
1225 DeviceClass *dc = DEVICE_CLASS(klass);
1226 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1227
1228 k->realize = intel_hda_realize;
1229 k->exit = intel_hda_exit;
1230 k->vendor_id = PCI_VENDOR_ID_INTEL;
1231 k->class_id = PCI_CLASS_MULTIMEDIA_HD_AUDIO;
1232 dc->reset = intel_hda_reset;
1233 dc->vmsd = &vmstate_intel_hda;
1234 device_class_set_props(dc, intel_hda_properties);
1235}
1236
1237static void intel_hda_class_init_ich6(ObjectClass *klass, void *data)
1238{
1239 DeviceClass *dc = DEVICE_CLASS(klass);
1240 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1241
1242 k->device_id = 0x2668;
1243 k->revision = 1;
1244 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1245 dc->desc = "Intel HD Audio Controller (ich6)";
1246}
1247
1248static void intel_hda_class_init_ich9(ObjectClass *klass, void *data)
1249{
1250 DeviceClass *dc = DEVICE_CLASS(klass);
1251 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
1252
1253 k->device_id = 0x293e;
1254 k->revision = 3;
1255 set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
1256 dc->desc = "Intel HD Audio Controller (ich9)";
1257}
1258
1259static const TypeInfo intel_hda_info = {
1260 .name = TYPE_INTEL_HDA_GENERIC,
1261 .parent = TYPE_PCI_DEVICE,
1262 .instance_size = sizeof(IntelHDAState),
1263 .class_init = intel_hda_class_init,
1264 .abstract = true,
1265 .interfaces = (InterfaceInfo[]) {
1266 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
1267 { },
1268 },
1269};
1270
1271static const TypeInfo intel_hda_info_ich6 = {
1272 .name = "intel-hda",
1273 .parent = TYPE_INTEL_HDA_GENERIC,
1274 .class_init = intel_hda_class_init_ich6,
1275};
1276
1277static const TypeInfo intel_hda_info_ich9 = {
1278 .name = "ich9-intel-hda",
1279 .parent = TYPE_INTEL_HDA_GENERIC,
1280 .class_init = intel_hda_class_init_ich9,
1281};
1282
1283static void hda_codec_device_class_init(ObjectClass *klass, void *data)
1284{
1285 DeviceClass *k = DEVICE_CLASS(klass);
1286 k->realize = hda_codec_dev_realize;
1287 k->unrealize = hda_codec_dev_unrealize;
1288 set_bit(DEVICE_CATEGORY_SOUND, k->categories);
1289 k->bus_type = TYPE_HDA_BUS;
1290 device_class_set_props(k, hda_props);
1291}
1292
1293static const TypeInfo hda_codec_device_type_info = {
1294 .name = TYPE_HDA_CODEC_DEVICE,
1295 .parent = TYPE_DEVICE,
1296 .instance_size = sizeof(HDACodecDevice),
1297 .abstract = true,
1298 .class_size = sizeof(HDACodecDeviceClass),
1299 .class_init = hda_codec_device_class_init,
1300};
1301
1302
1303
1304
1305
1306static int intel_hda_and_codec_init(PCIBus *bus)
1307{
1308 DeviceState *controller;
1309 BusState *hdabus;
1310 DeviceState *codec;
1311
1312 warn_report("'-soundhw hda' is deprecated, "
1313 "please use '-device intel-hda -device hda-duplex' instead");
1314 controller = DEVICE(pci_create_simple(bus, -1, "intel-hda"));
1315 hdabus = QLIST_FIRST(&controller->child_bus);
1316 codec = qdev_new("hda-duplex");
1317 qdev_realize_and_unref(codec, hdabus, &error_fatal);
1318 return 0;
1319}
1320
1321static void intel_hda_register_types(void)
1322{
1323 type_register_static(&hda_codec_bus_info);
1324 type_register_static(&intel_hda_info);
1325 type_register_static(&intel_hda_info_ich6);
1326 type_register_static(&intel_hda_info_ich9);
1327 type_register_static(&hda_codec_device_type_info);
1328 pci_register_soundhw("hda", "Intel HD Audio", intel_hda_and_codec_init);
1329}
1330
1331type_init(intel_hda_register_types)
1332
